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Finding the Fourth Proportional to 114,295.90, 171,443.85 and 40,423.90

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Solution

The fourth proportional to 114,295.90, 171,443.85 and 40,423.90 is: 60,635.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    114,295.90 : 171,443.85 = 40,423.90 : x
  2. Step 2: Convert to fraction form
    114,295.90/171,443.85 = 40,423.90/x
  3. Step 3: Cross multiply
    114,295.90x = 171,443.85 × 40,423.90
  4. Step 4: Simplify right side
    114,295.90x = 6,930,429,048.02
  5. Step 5: Solve for x
    x = 6,930,429,048.02/114,295.90
  6. Step 6: Final answer
    x = 60,635.85

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.